National Geographic goes inside the world of U.S. Customs and Border Protection for an unprecedented look at their efforts to prevent illegal immigration and drug smuggling along the U.S.-Mexico border. — From the inhospita... more &raquoble desert wilderness to the underground smuggling tunnels, Border Wars follows the chases, rescues and busts, and the agents and officers who use every means available to track illegal entrants in the unending quest to secure the border.

Programs include: No End in Sight, Dead of Night, Last Defense, The Front Lines, City Under Siege&laquo less